Network Generator

Instructions

A network may be generated by 4 non-mutually exclusive methods:

• 1. reactions typed in one by one.

  When choosing reaction, the bibliographic index should also be given. This options is already provided in the website and can be easily found.

• 2. automatically generate the network in the N-Z plane, for elements between Zmax and Zmin. The reaction can be selected by boundaries (Zmin, Zmax, and drip- or stability-lines +- mass offset), and among various possible sets (proton-, neutron-, alpha-captures, or photodisintegrations, etc...).

  In this option, The default reaction rate (bibliographic index = 1) will be given. The default rate for nuclear reaction means that: If several rates are available for the given selected reaction, the experimental reaction rate will be chosen rather than theoretical reaction rate. If several experimental rates are provided, the most recent published reaaction rate will be chosen. The default rate for weak interaction means that: the rate of normial Goriely 1999 will be chosen, and if the specific rate is not available, the experimental and most recent rate will be chosen. If you want to select a reaction rate in the specific database, please use Individual reactions with bibliographic index selection or choose reaction rates from predefined sets (in method 4).

• 3. upload the reaction file according to the NETGEN prescription.
• 4. select network nuclides from the NETGEN pre-defined list.
  1. Nuclear Reaction Database
  1. NACRE
     
  2. Iliadis et al. 2001
  3. Descouvemont et al. 2004
  4. CF88 and other up-to-date experimental charged particle reactions
  5. Bao et al. 2000
  6. Other up-to-date experimental neutron capture reactions
  7. NACRE II 2013
  8. Iliadis et al. 2010
  2. Weak Interaction Database
  9. Takahashi et. al. 1987 & Goriely 1999
  10. Other electron capture rates
  11. Langanke and Martinez 2000
  12. Oda et al. 1994
  13. Experimental Beta-decay rates
  14. Tachibana et al. 1990
  15. Moeller, Nix & Kratz 1997
  If reactions are not listed in any of the predefined sets, please use Individual reactions for choosing.

When chooing reactions (step 1) from the website is finished, the user has the possibility to deal this reaction network, which include:

The addtional options are also offered:

The network reaction rates can be computed in a selected temperature range. A file recording the rates is generated, as well as a log file providing the references from which the rates have been calculated. Plots of the rates versus temperature can be obtained.

An example of calculated result of reaction rate and the corresponding reference information is:

#             1 C  12
#                 +      
#             1 PROT 
#                 =      
#             0 OOOOO
#                 +      
#             1 N  13 
#
#Qrad(MeV)       1.944
#Qnu (MeV)       0.000
#Type/Ne(cm-3)      --
#
#       T8
#     
0.0991  .9632E-19     
0.1028  .2032E-18     
0.1067  .4297E-18     
0.1107  .9196E-18     
0.1149  .1874E-17     
0.1192  .3922E-17    
0.1237  .7889E-17    
0.1284  .1605E-16     
0.1332  .3201E-16     
0.1382  .6391E-16     
0.1434  .1253E-15     
0.1488  .2462E-15 

====================================================
           1 1 C 12 ( 1 PROT , 0 OOOOO) 1 N 13 
                     T9 =   0.006  10.000 
Stellar enhancement factor: 1.000   1.000
 provided by NACRE 

Number of rates available = 3 
# Date Reference 
1 280399 Nacre reaction rates 280399 c12pg (nominal) 
2 280399 Nacre reaction rates 280399 c12pg (low) 
3 280399 Nacre reaction rates 280399 c12pg (high) 

Ref. # 1 selected for reaction c12pg (nominal) 
====================================================